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nouna period of three months; especially one of the three three-month periods into which human pregnancy is dividedtype of:part of:
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nounone of three divisions of an academic yeartype of:part of:
Words sounding like good trimester
semester esther manchester chester pester winchester leicester nestor jester wester polyester trimester tester fester ester southwester arrester contester sequester northwester drill tester bimester telephone tester coin tester cell tester glyceryl ester cement tester drain tester digester cream tester